COSH: Constellation Announces Board of Directors Change

Luxembourg, 25 August 2026 - Constellation Oil Services Holding S.A.
("Constellation" or the "Company") announces today that Anne Maillard was
appointed as Company's director, effective 31 August 2026. 

Mrs. Maillard succeeds Mr. Procopenko, who served as a Luxembourg Director
alongside Mr.  Bertrand de Fays pursuant to article 10.1 of the Articles, and
has tendered his resignation as director of the Board, effective 31 August 2026.
Mrs. Maillard's mandate will run until the Company's next Annual General Meeting
of Shareholders, at which her appointment will be submitted for ratification.

The Company and its board would like to express its sincere gratitude to Mr.
Procopenko for his contribution during his tenure on the Board and wishes
success in his future endeavors.

Mrs. Maillard is a skilled financial services professional with an extensive
background in complex financial and investment transactions, including
re-financing and investments. An experienced non-executive board member, Anne
has worked with some of the world's largest corporations and their advisors. In
her day-to-day role Anne actively coordinates client projects and participates
in key decision-making processes.

About Constellation 

Constellation is a market leading provider of offshore oil and gas contract
drilling services through its subsidiary Serviços de Petróleo Constellation S.A.
("Serviços de Petróleo Constellation"). With continuous operations since 1981,
Serviços de Petróleo Constellation has built an unmatched reputation for
excellence in offshore drilling services, obtaining ISO 9001, ISO 14001, ISO
45001, and API Spec Q2 certifications for its quality management, environmental
and safety records and systems. 
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